The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing ...

Scientists are starting to learn why this moon keeps erupting with volcanoes Hundreds of volcanoes and lava lakes on Jupiter’s moon Io are likely powered in the same way as Earth’s volcanoes.

Jupiter moon of Io is famed for its volcanoes. NASA just spotted the most powerful one yet Not only was the hot spot larger than Earth’s Lake Superior, but it also was seen belching out ...

Io, one of the most fascinating moons in our solar system, continues to mystify scientists with its intense volcanic activity and bizarre behavior. This moon, known for its towering volcanoes, ...

Scientists say Earth's Moon went through a period when it was a lot like Io, a moon of Jupiter that's full of volcanic activity.

Io is most volcanically active. This animation is an artist’s concept of Loki Patera, a lava lake on Jupiter’s moon Io, made using data from the JunoCam imager aboard NASA’s Juno spacecraft.

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

NASA's Juno craft swooped just 930 miles (1,500 kilometers) from Jupiter's volcanic moon Io, snapping some of the closest-ever images of this distant world.

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

Before we even saw the surface of the hellish moon, scientists speculated there may be a magma ocean raging under the rocky crust due to Io’s wild tidal heating.

IO – Jupiter’s third largest moon – might appear like a volcanic hellscape, but it could be a destination spot for future thrill-seeking space tourists. The lonely moon, a quarter… ...

The Galilean moon Io has already lost sextillions of tons of sulfur, and will someday run out of this element.